.page-disclaimer {
  --disc-rule: rgba(143, 163, 168, .18);
  --disc-rule-strong: rgba(143, 163, 168, .3);
  --disc-section-gap: clamp(48px, 8vw, 96px);
}

/* ---------- 面包屑与首屏 ---------- */

.page-disclaimer .crumbs {
  padding-top: clamp(18px, 3.5vw, 30px);
}

.page-disclaimer .disc-intro {
  padding-top: clamp(22px, 4vw, 42px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-disclaimer .disc-intro__grid {
  align-items: start;
}

.page-disclaimer .disc-intro__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5.6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-disclaimer .disc-intro__lead {
  margin: 22px 0 0;
  max-width: 36em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--paper);
  opacity: .92;
}

.page-disclaimer .disc-intro__meta {
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--disc-rule);
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-disclaimer .disc-intro__meta .mono {
  color: var(--gold);
  margin-right: 4px;
}

.page-disclaimer .disc-intro__media {
  margin: 30px 0 0;
  border-radius: var(--radius);
}

.page-disclaimer .disc-intro__media .media-frame__caption {
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 章节索引条 ---------- */

.page-disclaimer .disc-index {
  margin-top: clamp(32px, 5vw, 52px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--disc-rule);
  border: 1px solid var(--disc-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .disc-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 18px;
  background: var(--ink-800);
  color: var(--paper);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
}

.page-disclaimer .disc-index__link .mono {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  transition: color .2s ease;
}

.page-disclaimer .disc-index__link:hover,
.page-disclaimer .disc-index__link:focus-visible {
  background: var(--ink-700);
  color: var(--cyan);
}

.page-disclaimer .disc-index__link:hover .mono,
.page-disclaimer .disc-index__link:focus-visible .mono {
  color: var(--cyan);
}

/* ---------- 通用章节 ---------- */

.page-disclaimer .disc-section {
  padding-top: var(--disc-section-gap);
  padding-bottom: 0;
  scroll-margin-top: 88px;
}

.page-disclaimer .disc-section:last-of-type {
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-disclaimer .disc-section__head {
  display: grid;
  gap: 10px;
  padding-bottom: 18px;
  margin-bottom: clamp(22px, 3.5vw, 34px);
  border-bottom: 1px solid var(--disc-rule-strong);
}

.page-disclaimer .disc-section__kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: var(--muted);
}

.page-disclaimer .disc-section__lead {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper);
  opacity: .9;
}

.page-disclaimer .disc-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-cyan);
  padding-bottom: 1px;
  transition: color .2s ease, border-color .2s ease;
}

.page-disclaimer .disc-link:hover,
.page-disclaimer .disc-link:focus-visible {
  color: var(--gold);
  border-color: var(--hair-amber);
}

/* ---------- 变量对照表 ---------- */

.page-disclaimer .disc-table {
  border-top: 1px solid var(--disc-rule-strong);
}

.page-disclaimer .disc-table__head {
  display: none;
}

.page-disclaimer .disc-table__row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 7px;
  padding: 17px 12px 17px 15px;
  border-bottom: 1px solid var(--disc-rule);
  transition: background-color .2s ease;
}

.page-disclaimer .disc-table__row::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity .2s ease;
}

.page-disclaimer .disc-table__row:hover,
.page-disclaimer .disc-table__row:focus-visible,
.page-disclaimer .disc-table__row:focus-within {
  background-color: var(--ink-700);
  outline: none;
}

.page-disclaimer .disc-table__row:hover::before,
.page-disclaimer .disc-table__row:focus-visible::before,
.page-disclaimer .disc-table__row:focus-within::before {
  opacity: 1;
}

.page-disclaimer .disc-table__var {
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-disclaimer .disc-table__desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper);
}

/* ---------- 短句规则列表 ---------- */

.page-disclaimer .disc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 15px;
}

.page-disclaimer .disc-list > li {
  position: relative;
  padding-left: 21px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper);
}

.page-disclaimer .disc-list > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .8em;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--cyan);
}

.page-disclaimer .disc-list > li b {
  color: var(--gold);
  font-weight: 600;
  margin-right: 2px;
}

.page-disclaimer .disc-section--account .disc-section__lead {
  margin-bottom: 20px;
}

.page-disclaimer .disc-list--amber > li::before {
  background: var(--amber);
}

/* ---------- 引用说明侧栏 ---------- */

.page-disclaimer .disc-note {
  margin-top: 28px;
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--hair-amber);
}

.page-disclaimer .disc-note__label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-disclaimer .disc-note__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-disclaimer .disc-note__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-note__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .disc-note__list .mono {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: .06em;
  flex: none;
}

.page-disclaimer .disc-note__foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 更新节奏时间轴 ---------- */

.page-disclaimer .disc-update {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--disc-rule);
  border: 1px solid var(--disc-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .disc-update__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 18px 18px 20px;
  background: var(--ink-800);
  transition: background-color .2s ease;
}

.page-disclaimer .disc-update__row:hover {
  background: var(--ink-700);
}

.page-disclaimer .disc-update__row p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
}

.page-disclaimer .disc-update__time {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold);
}

/* ---------- 勘误反馈 ---------- */

.page-disclaimer .disc-erratum {
  margin-top: 28px;
  padding-left: 18px;
  border-left: 2px solid var(--wine);
}

.page-disclaimer .disc-erratum__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-disclaimer .disc-erratum__text {
  margin: 0 0 12px;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-disclaimer .disc-erratum__text:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-erratum__mail {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .disc-index {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-disclaimer .disc-intro__meta {
    grid-template-columns: repeat(3, auto);
    justify-content: start;
    gap: 24px;
  }

  .page-disclaimer .disc-update__row {
    grid-template-columns: 96px 1fr;
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-intro__media {
    margin-top: 34px;
  }

  .page-disclaimer .disc-note {
    margin-top: 0;
  }

  .page-disclaimer .disc-table__head {
    display: grid;
    grid-template-columns: minmax(150px, 210px) 1fr;
    gap: 24px;
    padding: 11px 16px 11px 17px;
    border-bottom: 1px solid var(--disc-rule-strong);
  }

  .page-disclaimer .disc-table__head span {
    font-size: 11px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .page-disclaimer .disc-table__row {
    grid-template-columns: minmax(150px, 210px) 1fr;
    gap: 24px;
    align-items: baseline;
    padding: 20px 16px 20px 17px;
  }

  .page-disclaimer .disc-table__var {
    font-size: 15px;
  }
}

@media (min-width: 1080px) {
  .page-disclaimer .disc-index {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-index__link,
  .page-disclaimer .disc-table__row,
  .page-disclaimer .disc-table__row::before,
  .page-disclaimer .disc-update__row,
  .page-disclaimer .disc-link {
    transition-duration: 0ms;
  }
}
</main>